Damping Factor of the Riedel Peak in Brikge-Type Josephoson Junctions
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概要
- 論文の詳細を見る
The Riedel peak in the Josephson current in bridge-type point-contact Jose-phson junctions has been stuclied by measuring the frequency dependence ofthe maximum height of the fundamental (77=l) Shapiro-step in the energy rangenear hco -4,1. with a submiN1imeter-wave laser, where A. is the real part of theenergy gap. The imaginary part of the energy gap, @., has been estimated fromthe observed rounding of the Riedel singularity. As a result, the damping factord=J,/l.>0.05 has been obtairned. The value of b -0.05 seems to be the lowestvalue which is intrinsic to bridge-type junctions. It has been also found that thevalue of (5 is large in the .junctions which show strong heating effects.
- 社団法人日本物理学会の論文
- 1983-02-15
著者
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Imai S
Research Institute Of Electrical Communication Tohoku University
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Imai Syozo
Research Institute Of Electrical Communication Tohoku University
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Imai Syozo
Research Institute Electrical Communication Tohoku University
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Mikoshiba Nobuo
Research Institute Of Electrical Communication Tohoku University:(present Address) Hewlett-packard L
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Mikoshiba Nobuo
Research Institute Of Electrical Communication Tohoku University
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MORITA Seizo
Research Institute of Electrical Communication, Tohoku University
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FUKUSHI Isao
Research Institute of Electrical Communical,Tohoku University
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TAKAKI Satoru
Research Institute of Electrical Communical,Tohoku University
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TAKIUTI Yosihisa
Research Institute of Electrical Communical,Tohoku University
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Fukushi Isao
Research Institute Of Electrical Communical Tohoku University:ic Memory Division Fujitsu Limited
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Morita Seizo
Research Institute Of Electrical Communication Tohoku University
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Takaki Satoru
Research Institute Of Electrical Communical Tohoku University
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Takaki Satoru
Research Center Asahi Glass Co. Ltd.
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Takiuti Yosihisa
Research Institute Of Electrical Communication Tohoku University:(present Address) Faculty Of Scienc
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Imai S
Kyoto Univ. Kyoto Jpn
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Mikoshiba Nobuo
Research Institute Of Electorical Communication Tohoku University
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